Palau Ground-dove (Gallicolumba canifrons) - HBW 4, p. 186

Taxonomy:Phlegoenas [sic] canifrons Hartlaub and Finsch, 1872, Palau. Affinities unclear: may form a superspecies with G. beccarii, and these two also appear to be related to the G. jobiensis superspecies; alternatively, may be related to G. hoedtii, and more distantly to G. beccarii, G. stairi and G. sanctaecrucis. Monotypic.